feat: MySQL DB 정규화(Master/History) 및 시계열 데이터 수집 시스템 통합

1. 마스터/히스토리 테이블 분리 및 마이그레이션 완료\n2. 날짜별 데이터 축적 및 대시보드 필터링 기능 추가\n3. Playwright 수집 로직(날짜필터, 좌표클릭, 정밀합산) 완전 복구

style/dashboard.css

@@ -55,52 +55,45 @@
     box-shadow: var(--box-shadow-lg);
 }
 
-.portal-card .icon {
-    font-size: 32px;
-    width: 64px;
-    height: 64px;
-    background: var(--bg-muted);
-    border-radius: 50%;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    transition: 0.3s;
-}
-
-.portal-card:hover .icon {
-    background: var(--primary-color);
-    color: #fff;
-}
-
-.portal-card h2 {
-    font-size: 20px;
-    font-weight: 700;
-}
-
-.portal-card p {
-    color: var(--text-sub);
-    font-size: 14px;
-    line-height: 1.5;
-}
-
-@media screen and (max-width: 600px) {
-    .button-grid {
-        grid-template-columns: 1fr;
-    }
-}
-
 /* Dashboard List & Console */
+header {
+    position: fixed;
+    top: 36px;
+    left: 0;
+    right: 0;
+    z-index: 1000;
+    background: #fff;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: var(--space-md) var(--space-lg);
+    border-bottom: 1px solid var(--border-color);
+    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+}
+
+.main-content {
+    margin-top: 100px;
+    padding: var(--space-lg);
+    max-width: 1400px;
+    margin-left: auto;
+    margin-right: auto;
+}
+
 .log-console {
+    position: sticky;
+    top: 100px;
+    z-index: 999;
     background: #000;
     color: #0f0;
     font-family: monospace;
     padding: 15px;
     margin-bottom: 20px;
     border-radius: 4px;
-    max-height: 200px;
+    max-height: 250px;
     overflow-y: auto;
     font-size: 12px;
     line-height: 1.5;
+    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
 }
 
 .log-console-header {
@@ -126,6 +119,10 @@
 }
 
 .accordion-list-header {
+    position: sticky;
+    top: 100px;
+    background: var(--bg-muted);
+    z-index: 10;
     font-size: 11px;
     font-weight: 700;
     color: var(--text-sub);
@@ -186,7 +183,7 @@
     font-weight: 700;
 }
 
-/* Accordion Multi-level (Continent/Country) */
+/* Multi-level Groups */
 .continent-group,
 .country-group {
     margin-bottom: 10px;
@@ -263,24 +260,7 @@
     font-weight: 600;
 }
 
-/* Header & Sync Button */
-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    margin-bottom: var(--space-lg);
-    padding-bottom: var(--space-md);
-    border-bottom: 1px solid var(--border-color);
-}
-
-.main-content {
-    margin-top: 36px;
-    padding: var(--space-lg);
-    max-width: 1400px;
-    margin-left: auto;
-    margin-right: auto;
-}
-
+/* Sync Button & Admin Info */
 .sync-btn {
     display: flex;
     align-items: center;
@@ -291,6 +271,8 @@ header {
     border-radius: var(--radius-lg);
     font-size: 13px;
     font-weight: 600;
+    cursor: pointer;
+    border: none;
     box-shadow: var(--box-shadow);
 }
 
@@ -316,3 +298,18 @@ header {
     color: var(--primary-color);
     font-weight: 700;
 }
+
+.base-date-info {
+    font-size: 13px;
+    color: var(--text-sub);
+    background: #f8f9fa;
+    padding: 6px 15px;
+    border-radius: 6px;
+    border: 1px solid var(--border-color);
+}
+
+.base-date-info strong {
+    color: #333;
+    font-weight: 700;
+    margin-left: 5px;
+}